package com.gxuwz.stats.controller.admin;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.gxuwz.stats.entity.HumanResearchAward;
import com.gxuwz.stats.entity.IntellectualProperty;
import com.gxuwz.stats.entity.User;
import com.gxuwz.stats.security.jwt.JwtTokenUtil;
import com.gxuwz.stats.service.IntellectualPropertyService;
import com.gxuwz.stats.service.UserService;
import com.gxuwz.stats.utils.ExcelExportUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletResponse;
import java.text.SimpleDateFormat;
import java.time.LocalDateTime;
import java.util.*;
import java.util.stream.Collectors;

@RestController
@RequestMapping("/intellectualProperty")
public class IntellectualPropertyController {

    @Autowired
    private IntellectualPropertyService intellectualPropertyService;

    @Autowired
    private UserService userService;

    @GetMapping("/list")
    public ResponseEntity<Map<String, Object>> getPropertyList(
            @RequestParam Map<String, String> params,
            @RequestParam(defaultValue = "1") int currentPage,
            @RequestParam(defaultValue = "10") int pageSize) {
        try {
            Page<IntellectualProperty> page = new Page<>(currentPage, pageSize);
            QueryWrapper<IntellectualProperty> queryWrapper = new QueryWrapper<>();

            // 根据用户名获取用户ID列表并加入查询条件
            if (params.containsKey("username") && !params.get("username").trim().isEmpty()) {
                List<String> userIds = userService.getUserIdsByKeyword(params.get("username"));
                if (!userIds.isEmpty()) {
                    queryWrapper.in("user_id", userIds);
                } else {
                    // 如果没有找到对应的userId，则返回空结果
                    queryWrapper.eq("1", "0");
                }
            }

            // 模糊查询条件 - 成果名称
            if (params.containsKey("nameKeyword") && params.get("nameKeyword") != null && !params.get("nameKeyword").isEmpty()) {
                queryWrapper.like("intellectual_achievement_name", params.get("nameKeyword"));
            }

            // 模糊查询条件 - 授权号
            if (params.containsKey("numberKeyword") && params.get("numberKeyword") != null && !params.get("numberKeyword").isEmpty()) {
                queryWrapper.like("authorization_number", params.get("numberKeyword"));
            }

            // 模糊查询条件 - 成果类别
            if (params.containsKey("categoryKeyword") && params.get("categoryKeyword") != null && !params.get("categoryKeyword").isEmpty()) {
                queryWrapper.like("intellectual_category", params.get("categoryKeyword"));
            }
            // 模糊查询条件 - 获得时间
            if (params.containsKey("intellectualYear") && params.get("intellectualYear") != null && !params.get("intellectualYear").isEmpty()) {
                queryWrapper.apply("YEAR(intellectual_year) = {0}", params.get("intellectualYear"));
            }

            if (params.containsKey("intellectualReviewStatus") && params.get("intellectualReviewStatus")!= null &&!params.get("intellectualReviewStatus").isEmpty()) {
                queryWrapper.eq("intellectual_review_status", params.get("intellectualReviewStatus"));
            }

            // 查询条件 - 提交状态
            if (params.containsKey("intellectualStatus") && params.get("intellectualStatus") != null && !params.get("intellectualStatus").isEmpty()) {
                queryWrapper.eq("intellectual_status", params.get("intellectualStatus"));
            }

            IPage<IntellectualProperty> resultPage = intellectualPropertyService.getIntellectualPropertyList(page, queryWrapper);

            Map<String, Object> response = new HashMap<>();
            response.put("code", 200);
            response.put("message", "查询成功");
            response.put("data", resultPage.getRecords());
            response.put("total", resultPage.getTotal());
            response.put("currentPage", resultPage.getCurrent());
            response.put("pageSize", resultPage.getSize());
            response.put("totalPages", resultPage.getPages());

            return ResponseEntity.ok(response);
        } catch (Exception e) {
            Map<String, Object> errorResponse = new HashMap<>();
            errorResponse.put("code", 500);
            errorResponse.put("message", "查询失败: " + e.getMessage());
            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(errorResponse);
        }
    }

    @PostMapping("/add")
    public ResponseEntity<Map<String, Object>> saveIntellectualProperty(@RequestBody IntellectualProperty intellectualProperty) {

        // 创建响应 Map
        Map<String, Object> response = new HashMap<>();

        // 1. 验证 username 是否存在
        String username = intellectualProperty.getUsername();
        if (username == null || username.isEmpty()) {
            response.put("code", 400);
            response.put("msg", "用户名不能为空");
            return ResponseEntity.badRequest().body(response);
        }

        // 2. 根据 username 查询 user_id
        String userId = userService.getUserIdByUsername(username);
        if (userId == null) {
            response.put("code", 400);
            response.put("msg", "用户不存在");
            return ResponseEntity.badRequest().body(response);
        }
//        System.out.println("获取到的 user_id：" + userId);

        // 3. 设置 user_id 并保存
        intellectualProperty.setUserId(userId);

        // 1. 自动计算分值
        int baseScore = intellectualPropertyService.getScoreByType(intellectualProperty.getIntellectualCategory());
        intellectualProperty.setIntellectualScore(baseScore);

        // 2. 计算总分值
//        intellectualPropertyService.calculateTotalScore(intellectualProperty);

        intellectualProperty.setIntellectualSubmissionTime(LocalDateTime.now());
        // 设置状态为未提交
        intellectualProperty.setIntellectualStatus("已提交");
        intellectualProperty.setIntellectualReviewStatus("未审核");


        try {
            // 保存到数据库
            intellectualPropertyService.save(intellectualProperty);

            //总分值
            String year = null;
            if (intellectualProperty.getIntellectualYear() != null) {
                try {
                    // 支持 "yyyy-MM" 或 "yyyy/MM" 或 "yyyy" 格式
                    SimpleDateFormat sdf = new SimpleDateFormat("yyyy");
                    year = sdf.format(intellectualProperty.getIntellectualYear());
                } catch (Exception e) {
                    // 如果格式不对，兜底取前4位
                    year = intellectualProperty.getIntellectualYear().substring(0, 4);
                }
            }
            if (year != null) {
                intellectualPropertyService.updateTotalWorkIntellectualPropertyScore(userId, year);
            }

            // 返回成功响应
            response.put("code", 200);
            response.put("msg", "新增成功");
            return ResponseEntity.status(HttpStatus.CREATED).body(response);
        } catch (Exception e) {
            e.printStackTrace();
            response.put("code", 500);
            response.put("msg", "服务器内部错误");
            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(response);
        }
    }

    /**
     * 修改决策咨询数据
     */
    @PutMapping("/update")
    public ResponseEntity<Map<String, Object>> updateIntellectualProperty(
            @RequestBody IntellectualProperty intellectualProperty
    ) {

        // 1. 获取前端传递的用户名
        String username = intellectualProperty.getUsername();
//        System.out.println("shdjs="+username);
        if (username != null && !username.isEmpty()) {
            // 2. 查询用户信息
            User user = userService.getOne(new QueryWrapper<User>().eq("username", username));
//            System.out.println("user="+user);
            if (user == null) {
                Map<String, Object> response = new HashMap<>();
                response.put("code", 400);
                response.put("msg", "用户不存在");
                return ResponseEntity.badRequest().body(response);
            }
            // 3. 设置 userId
            intellectualProperty.setUserId(user.getUserId());
        }
        // 1. 自动计算分值
        int baseScore = intellectualPropertyService.getScoreByType(intellectualProperty.getIntellectualCategory());
        intellectualProperty.setIntellectualScore(baseScore);

        // 2. 计算总分值
//        intellectualPropertyService.calculateTotalScore(intellectualProperty);
        intellectualPropertyService.updateById(intellectualProperty);

        // 2. 计算总分值
        String year = null;
        if (intellectualProperty.getIntellectualYear() != null) {
            try {
                // 支持 "yyyy-MM" 或 "yyyy/MM" 或 "yyyy" 格式
                SimpleDateFormat sdf = new SimpleDateFormat("yyyy");
                year = sdf.format(intellectualProperty.getIntellectualYear());
            } catch (Exception e) {
                // 如果格式不对，兜底取前4位
                year = intellectualProperty.getIntellectualYear().substring(0, 4);
            }
        }
        if (year != null) {
            intellectualPropertyService.updateTotalWorkIntellectualPropertyScore(intellectualProperty.getUserId(), year);
        }

        Map<String, Object> response = new HashMap<>();
        response.put("code", 200);
        response.put("msg", "修改成功");
        return ResponseEntity.ok(response);
    }


    @DeleteMapping("/delete")
    public ResponseEntity<Map<String, Object>> deleteIntellectualProperty(@RequestBody List<Long> ids) {
        System.out.println("ss="+ids);
        // 1. 查出所有要删的数据
        List<IntellectualProperty> toDelete = intellectualPropertyService.listByIds(ids);

// 2. 记录所有受影响的 userId+year 组合
        Set<String> userYearSet = new HashSet<>();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy");
        for (IntellectualProperty ip : toDelete) {
            if (ip.getUserId() != null && ip.getIntellectualYear() != null) {
                String year = null;
                try {
                    // 支持 "yyyy-MM" 或 "yyyy/MM" 或 "yyyy" 格式
                    year = sdf.format(ip.getIntellectualYear());
                } catch (Exception e) {
                    // 如果格式不对，兜底取前4位
                    year = ip.getIntellectualYear().substring(0, 4);
                }
                userYearSet.add(ip.getUserId() + "#" + year);
            }
        }

// 3. 删除
        intellectualPropertyService.removeByIds(ids);

// 4. 删除后，逐个更新 TotalWork
        for (String userYear : userYearSet) {
            String[] arr = userYear.split("#");
            String userId = arr[0];
            String year = arr[1];
            intellectualPropertyService.updateTotalWorkIntellectualPropertyScore(userId, year);
        }
        Map<String, Object> response = new HashMap<>();
        response.put("code", 200);
        response.put("msg", "删除成功");
        return ResponseEntity.ok(response);
    }

    @PostMapping("/review")
    public ResponseEntity<Map<String, Object>> reviewIntellectualProperty(@RequestBody Map<String, Object> params) {
        Map<String, Object> response = new HashMap<>();
        try {
            Long intellectualId = Long.valueOf(params.get("intellectualId").toString());
            String reviewStatus = params.get("reviewStatus").toString(); // 审核通过/审核不通过
            String reviewResult = params.get("reviewResult") != null ? params.get("reviewResult").toString() : "";

            IntellectualProperty property = intellectualPropertyService.getById(intellectualId);
            if (property == null) {
                response.put("code", 404);
                response.put("msg", "数据不存在");
                return ResponseEntity.ok(response);
            }

            // 设置审核状态、审核时间、审核说明
            property.setIntellectualReviewStatus(reviewStatus);
            property.setIntellectualReviewTime(java.time.LocalDateTime.now());
            property.setIntellectualReviewResult(reviewResult);

            if ("审核通过".equals(reviewStatus)) {
                property.setIntellectualReviewResult(null); // 审核通过时清空说明
            }
            if ("审核不通过".equals(reviewStatus)) {
                property.setIntellectualStatus("未提交");
            }

            intellectualPropertyService.updateById(property);

            response.put("code", 200);
            response.put("msg", "审核成功");
            return ResponseEntity.ok(response);
        } catch (Exception e) {
            response.put("code", 500);
            response.put("msg", "审核失败：" + e.getMessage());
            return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(response);
        }
    }

    @GetMapping("/export")
    public void exportIntellectualProperty(
            @RequestParam(value = "year", required = false) String year,
            HttpServletResponse response) throws Exception {

        // 3. 查询 IntellectualProperty（可按年份筛选）
        QueryWrapper<IntellectualProperty> queryWrapper = new QueryWrapper<>();

        if (year != null && !year.isEmpty()) {
            queryWrapper.like("intellectual_year", year.substring(0, 4));
        }

        // 只导出审核通过的数据
        queryWrapper.eq("intellectual_status", "已提交");

        List<IntellectualProperty> list = intellectualPropertyService.list(queryWrapper);

        // 4. 查询所有用户，构建 userId -> username 映射
        List<User> userList = userService.list();
        Map<String, String> userIdNameMap = userList.stream()
                .collect(Collectors.toMap(User::getUserId, User::getUsername, (a, b) -> a));
        for (IntellectualProperty w : list) {
            w.setUsername(userIdNameMap.getOrDefault(w.getUserId(), ""));
        }

        // 5. 给每条数据加序号
        for (int i = 0; i < list.size(); i++) {
            list.get(i).setRowNum(i + 1); // 从1开始
        }

        // 6. 生成文件名
        String now = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss").format(new Date());
        String fileName = "知识产权类-" + now + ".xlsx";
//        fileName = URLEncoder.encode(fileName, "UTF-8").replaceAll("\\+", "%20");

        // 7. 导出
        ExcelExportUtil.export(response, list, IntellectualProperty.class, "知识产权", fileName);
    }
}
